102
11/21/1989
RPI 996
Application data
Number
PI8202968Type
Filing
Publication
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Celamerck Gmbh & Co. Kg
DE
Inventors
H. B. (pessoa física)
DE
R. P. (pessoa física)
DE
W. W. (pessoa física)
DE
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/21/1989
RPI 996
#12.3
05/17/1988
RPI 917
02/02/1988
RPI 902
#6.1
03/19/1985
RPI 752
#4.1
03/27/1984
RPI 701
#3.1
12/27/1983
RPI 688
#2.1
07/13/1982
RPI 612
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 127/22; C07C 157/12; A01N 47/34.
03/27/2018
RPI 2464
#21.1
Patente extinta em 21/05/97
07/01/2008
RPI 1956
#16.1
10/30/1990
RPI 1039
08/28/1990
RPI 1030
08/21/1990
RPI 1029
#13.1
06/19/1990
RPI 1023
#9.1
03/01/1990
RPI 1007
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Same category
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